Multi Purpose 45 Degree Angled Sanding Sponge Block (3 Pack) 3 Pack Bundle Discount! Total of Three Sanding Sponges Includes (2) Fine Grit & (1) Medium Grit Extremely Durable Use Wet or Dry Rinse and Reuse Keep blocks wet. Wring out excess water from block before sanding the paint. Rinse block often to rinse paint buildup from grit surface. Repeat each time before continuing to sand on furniture piece. Follow directly behind with a dry cloth as you wet sand. You do not want paint to stay wet. Sand...Dry...Sand...Dry...etc. <span class="a-text-bold">DRY SANDING: </span>always follow along the grain when sanding. Lightly wipe your sanded piece to remove excuses dust from your piece.